Knife



FIG. 1 is a perspective view of the knife showing my new design;

FIG. 2 is a right side view thereof,

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof. 

The ornamental design for a knife, as shown and described. 